var s='害怕'

console.log(s)

s ={
    name:'一个对象',
    age : 123,
}

console.log(s)

s = function()
{
    console.log('我不管这就是函数')
    return 123456
}

console.log(s())

console.log(5/2);

console.log(46468/123)